/* Hardcore Puzzler — night sky, harvest moon, cover red.
   Display: Anton (matches the condensed cover lettering). Body: Atkinson Hyperlegible,
   chosen for readability — many readers buy the Large Print editions. */
:root {
  --night: #121834;
  --night-2: #1b2350;
  --night-3: #27306a;
  --moon: #e8a33a;
  --moon-soft: #f4cd85;
  --red: #c62828;
  --page: #ffffff;
  --ink: #161a2c;
  --text: #f4efe4;
  --muted: #b3b9d6;
  --radius-sm: 6px;
  --radius-lg: 18px;
  --display: 'Anton', 'Impact', 'Arial Narrow Bold', sans-serif;
  --body: 'Atkinson Hyperlegible', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --wrap: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--night);
  color: var(--text);
  font: 400 1.125rem/1.6 var(--body);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--moon-soft); }
a:hover { color: var(--moon); }
:focus-visible { outline: 3px solid var(--moon); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.05; letter-spacing: .01em; margin: 0 0 .4em; }
h1 { font-size: clamp(2.6rem, 7vw, 4.75rem); }
h2 { font-size: clamp(1.9rem, 4.2vw, 2.9rem); }
h3 { font-size: 1.5rem; }
p { margin: 0 0 1em; max-width: 64ch; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.center p { margin-left: auto; margin-right: auto; }
.pad { padding-top: 64px; padding-bottom: 64px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--moon); color: var(--ink); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Header */
.site-header { border-bottom: 1px solid var(--night-3); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-family: var(--display); font-size: 1.45rem; }
.brand img { width: 44px; height: 44px; }
.nav { display: flex; gap: 4px 18px; flex-wrap: wrap; }
.nav a { color: var(--text); text-decoration: none; font-weight: 700; padding: 6px 2px; border-bottom: 3px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--moon); color: var(--text); }

/* Buttons */
.btn {
  display: inline-block; font: 700 1.05rem/1.2 var(--body); text-decoration: none; cursor: pointer;
  padding: 12px 20px; border-radius: var(--radius-sm); border: 2px solid var(--muted); color: var(--text); background: transparent;
}
.btn:hover { border-color: var(--text); color: var(--text); }
.btn-gold { background: var(--moon); border-color: var(--moon); color: var(--ink); }
.btn-gold:hover { background: var(--moon-soft); border-color: var(--moon-soft); color: var(--ink); }
.btn-ink { background: var(--ink); border-color: var(--ink); color: var(--text); }
.btn-ink:hover { background: var(--night-3); border-color: var(--night-3); color: var(--text); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* Hero: the moon is the one bold move on the site */
.hero { position: relative; overflow: hidden; padding: 56px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 32px; }
.hero h1 { max-width: 12ch; }
.hero .lede { font-size: 1.25rem; color: var(--muted); max-width: 34ch; }
.moon-stage { position: relative; aspect-ratio: 1; max-width: 520px; justify-self: end; width: 100%; }
.moon-stage .moon { width: 100%; filter: drop-shadow(0 0 70px rgba(232,163,58,.35)); }
.moon-stage .fan { position: absolute; bottom: -6%; left: -10%; display: flex; }
.moon-stage .fan img { width: 34%; min-width: 110px; border-radius: 4px; box-shadow: 0 14px 30px rgba(0,0,0,.45); background: var(--page); }
.moon-stage .fan img:nth-child(1) { transform: rotate(-8deg) translateY(8%); }
.moon-stage .fan img:nth-child(2) { transform: translateX(-18%); z-index: 1; }
.moon-stage .fan img:nth-child(3) { transform: rotate(7deg) translate(-36%, 8%); }

/* Bonus band */
.band-gold { background: var(--moon); color: var(--ink); }
.band-gold .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px 40px; flex-wrap: wrap; padding-top: 32px; padding-bottom: 32px; }
.band-gold h2 { margin: 0; }
.band-gold p { margin: .3em 0 0; }

/* Sections */
.section { padding: 64px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.section-head p { color: var(--muted); margin: 0; }

/* Puzzle teaser */
.teaser { display: grid; grid-template-columns: minmax(0, 340px) 1fr; gap: 32px; align-items: center; background: var(--night-2); border-radius: var(--radius-lg); padding: 28px; }
.teaser img { background: var(--page); border-radius: var(--radius-sm); }

/* Series cards */
.series-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.series { background: var(--night-2); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; }
.series[hidden] { display: none; }
.series .cover { background: var(--page); display: flex; justify-content: center; padding: 16px; }
.series .cover img { max-height: 260px; width: auto; }
.series .body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.series h3 { margin: 0; }
.series .meta { color: var(--muted); font-size: 1rem; margin: 0; }
.series .buy { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 6px; }
.series .buy a { font-size: .95rem; padding: 8px 12px; }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; }
.chip { font: 700 .95rem var(--body); padding: 8px 14px; border-radius: 999px; border: 2px solid var(--night-3); background: transparent; color: var(--text); cursor: pointer; }
.chip:hover { border-color: var(--muted); }
.chip[aria-pressed="true"] { background: var(--moon); border-color: var(--moon); color: var(--ink); }
.filter-label { width: 100%; color: var(--muted); font-size: 1rem; margin: 8px 0 0; }

/* Puzzle page: the puzzle sits on a white sheet, like a page torn from the book */
.puzzle-layout { display: grid; gap: 24px; max-width: 900px; }
.puzzle-date { color: var(--moon-soft); font-weight: 700; margin-bottom: .2em; }
.puzzle-sheet { margin: 0; background: var(--page); border-radius: var(--radius-sm); padding: clamp(10px, 3vw, 28px); }
.puzzle-sheet:has(img[hidden]) { display: none; }
.puzzle-sheet img { margin: 0 auto; }
.puzzle-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.puzzle-more { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.puzzle-more > div { background: var(--night-2); border-radius: var(--radius-lg); padding: 24px; }
.puzzle-more h2 { font-size: 1.6rem; }

/* Archive */
.archive-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 20px; }
.archive-grid a { display: block; text-decoration: none; color: var(--text); }
.archive-grid img { background: var(--page); border-radius: var(--radius-sm); width: 100%; aspect-ratio: 1; object-fit: contain; padding: 8px; }
.archive-grid a:hover img { outline: 3px solid var(--moon); }
.a-title { display: block; font-weight: 700; margin-top: 8px; }
.a-date { display: block; color: var(--muted); font-size: .95rem; }
a.chip { text-decoration: none; display: inline-block; }
.pager { align-items: center; margin-top: 32px; color: var(--muted); }

/* Prose pages */
.prose { padding: 56px 16px 72px; }
.prose h2 { margin-top: 1.4em; }
.prose li { margin-bottom: .4em; }

/* Footer */
.site-footer { border-top: 1px solid var(--night-3); padding: 32px 0 40px; color: var(--muted); font-size: 1rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-bottom: 12px; }
.footer-nav a { color: var(--text); }
.disclosure, .copy { margin: 4px 0; }

@media (max-width: 820px) {
  .nav { gap: 2px 14px; }
  .nav a { font-size: .98rem; padding: 2px 0; }
  .brand { font-size: 1.25rem; }
  .brand img { width: 36px; height: 36px; }
  .chip { font-size: .88rem; padding: 6px 11px; }
  .filters { gap: 6px; margin-bottom: 18px; }
  .hero { padding-top: 32px; }
  .hero-grid { grid-template-columns: 1fr; }
  .moon-stage { justify-self: center; max-width: 360px; margin-top: 8px; }
  .teaser { grid-template-columns: 1fr; padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Signup */
.signup { display: grid; grid-template-columns: 1.2fr .8fr; grid-template-areas: 'copy form' 'strip form'; gap: 0 40px; align-items: start; }
.signup-copy { grid-area: copy; }
.signup-form { grid-area: form; }
.bonus-strip { grid-area: strip; }
.signup h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.bonus-strip { list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.bonus-strip img { background: var(--page); border-radius: 4px; }
.bonus-strip span { display: block; font-size: .9rem; color: var(--muted); margin-top: 6px; line-height: 1.3; }
.signup-form { background: var(--night-2); border: 2px solid var(--moon); border-radius: var(--radius-lg); padding: 28px; display: grid; gap: 10px; position: sticky; top: 16px; }
.signup-form h2 { margin-bottom: .1em; }
.signup-form label { font-weight: 700; }
.signup-form input[type=text], .signup-form input[type=email] {
  font: inherit; padding: 12px 14px; border-radius: var(--radius-sm); border: 2px solid var(--night-3); background: var(--night); color: var(--text); width: 100%; }
.signup-form input:focus-visible { border-color: var(--moon); }
.signup-form .check { display: grid; grid-template-columns: auto 1fr; gap: 10px; font-weight: 400; font-size: 1rem; margin: 6px 0 10px; }
.signup-form .check input { width: 22px; height: 22px; margin-top: 3px; accent-color: var(--moon); }
.signup-form .btn { width: 100%; font-size: 1.15rem; padding: 14px; }
.form-error { background: var(--red); color: #fff; padding: 10px 14px; border-radius: var(--radius-sm); margin: 0; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* Thank-you downloads */
.bonus-grid { list-style: none; padding: 0; margin: 28px 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.bonus { display: grid; grid-template-columns: 110px 1fr; gap: 18px; background: var(--night-2); border-radius: var(--radius-lg); padding: 18px; align-items: start; }
.bonus img { background: var(--page); border-radius: 4px; }
.bonus h2 { font-size: 1.5rem; }
.bonus p { font-size: 1rem; color: var(--muted); }
.after { margin-top: 12px; }

@media (max-width: 820px) {
  .signup { grid-template-columns: 1fr; grid-template-areas: 'copy' 'form' 'strip'; gap: 20px; }
  .signup-form { position: static; }
  .bonus-strip { grid-template-columns: repeat(5, 1fr); gap: 6px; }
  .bonus-strip span { display: none; }
  .bonus { grid-template-columns: 80px 1fr; }
}